Comfytemp 14.4'' x 6.1'' Red Light Therapy Pad for Joint-K4064

A:
You can restart the device if you wish to continue using it. However, we do not recommend repeated use on the same body area. Clinical studies show that longer usage does not enhance results and may even reduce effectiveness due to cellular dehydration. A 20-minute session is sufficient and safe.

A:
This is normal. In M2 (850nm) mode, the device emits near-infrared light, which is invisible to the human eye.
You can confirm the device is working by checking the mode indicator on the controller or by feeling the gentle warmth during use.

A:
Photobiomodulation: Stimulates cell mitochondria to improve metabolism, enhance cell activity, and boost collagen production. These effects take time to show.
Thermal effect: The warmth you feel is an immediate effect and penetrates deeper than traditional heating pads.
Based on scientific research, consistent daily use for 20 minutes can produce visible results in as little as 3 weeks.